fix: correct `savePath` check in `MemcachedHandler` constructor (#9941) #14206

Job	Run time
Setup PHP Version for Code Coverage	7s
Others (8.2) / Sanity Tests	4m 5s
Others (8.3) / Sanity Tests	2m 39s
Others (8.5) / Sanity Tests	2m 32s
Others (8.4) / Sanity Tests	2m 30s
CacheLive (8.2) / Cache Live Tests	2m 49s
CacheLive (8.4) / Cache Live Tests	2m 27s
CacheLive (8.5) / Cache Live Tests	2m 18s
SeparateProcess (8.2) / tests	3m 52s
DatabaseLive (8.5, Postgre, 8.0) / tests	2m 56s
SeparateProcess (8.5) / tests	3m 52s
DatabaseLive (8.4, OCI8, 8.0) / tests	7m 13s
SeparateProcess (8.3) / tests	4m 5s
CacheLive (8.3) / Cache Live Tests	2m 4s
DatabaseLive (8.5, OCI8, 8.0) / tests	7m 9s
DatabaseLive (8.5, MySQLi, 8.0) / tests	4m 50s
SeparateProcess (8.4) / tests	3m 39s
DatabaseLive (8.3, Postgre, 8.0) / tests	3m 0s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	5m 16s
DatabaseLive (8.3, MySQLi, 8.0) / tests	4m 47s
DatabaseLive (8.5, SQLSRV, 8.0) / tests	5m 39s
DatabaseLive (8.5, SQLite3, 8.0) / tests	2m 24s
DatabaseLive (8.2, SQLite3, 8.0) / tests	3m 19s
DatabaseLive (8.2, OCI8, 8.0) / tests	7m 29s
DatabaseLive (8.2, MySQLi, 8.0) / tests	5m 15s
DatabaseLive (8.2, MySQLi, 5.7) / tests	4m 19s
DatabaseLive (8.4, MySQLi, 8.0) / tests	4m 27s
DatabaseLive (8.4, SQLite3, 8.0) / tests	2m 36s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	6m 18s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 45s
DatabaseLive (8.4, Postgre, 8.0) / tests	2m 48s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 26s
DatabaseLive (8.3, OCI8, 8.0) / tests	7m 8s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 23s
Upload coverage results to Coveralls / coveralls	43s
	2h 16m 9s

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